A comprehensive resource on what lockdown drills are, why they are necessary, and how best to conduct them.The first book to offer a comprehensive examination of lockdown drills in K–12 schools, Lockdown Drills balances research findings with practical applications and implications. Schildkraut and Nickerson, school safety experts with complementary backgrounds in criminology and school psychology, review the historical precedents for lockdown drills, distinguish school lockdowns from other emergency procedures (such as active shooter drills), explain why they are conducted, present evidence-based research on their effectiveness, and describe how to conduct them according to best practices. Proponents of lockdown drills as a life-saving necessity, the authors help to bring much-needed standardization to how these drills are studied and conducted. The authors present common arguments for and against the inclusion of lockdown drills in emergency preparedness efforts, balancing their disc